<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var a = "你";
        // var str1 = "abc"   
        // var str2 = "def";

        
        // console.log("abc"+a+"def");
        var str = 'abcde'+a+"fgh";
        console.log(str);


    </script>
</body>
</html>